diff --git a/Changelog.txt b/Changelog.txt
index cac568f..d9a42eb 100644
--- a/Changelog.txt
+++ b/Changelog.txt
@@ -1,3 +1,9 @@
+2020-07-23 (v2.13):
+	- Added Slovenian translation
+	- Fixed issue with reading ATmega328PB efuse
+	- Fixed startup failure if avrdude.exe is missing
+	- Portable version now uses config files from application directory instead of user appdata directory
+
 2020-05-19 (v2.12):
 	- Added Japanese translation
 	- Added Italian translation
diff --git a/installer/avrdudess.iss b/installer/avrdudess.iss
index caeaf87..92a53fb 100644
--- a/installer/avrdudess.iss
+++ b/installer/avrdudess.iss
@@ -3,7 +3,7 @@
 
 #define MyAppName "AVRDUDESS"
 #define MyAppDescription "A GUI for AVRDUDE"
-#define MyAppVersion "2.12"
+#define MyAppVersion "2.13"
 #define MyAppPublisher "Zak Kemble"
 #define MyAppURL "https://zakkemble.net/"
 #define MyAppExeName "avrdudess.exe"
diff --git a/src/avrdudess/Properties/AssemblyInfo.cs b/src/avrdudess/Properties/AssemblyInfo.cs
index 65b32b2..015b7be 100644
--- a/src/avrdudess/Properties/AssemblyInfo.cs
+++ b/src/avrdudess/Properties/AssemblyInfo.cs
@@ -32,5 +32,5 @@
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("2.12.*")]
-[assembly: AssemblyFileVersion("2.12.0.0")]
+[assembly: AssemblyVersion("2.13.*")]
+[assembly: AssemblyFileVersion("2.13.0.0")]